西门子四孔喷油嘴 A2C32389500 原厂规格

Siemens four-hole fuel injector (OEM A2C32389500) uses original factory specification; fits Siemens engine management systems from 2000 onward. Installed on the intake manifold; precisely atomizes fuel and injects into the cylinders for optimal combustion. Replacement requires no adjustment; difficulty medium; labor about 1.5–2 hours; clean fuel rail interface and replace seals. Symptoms include rough idle, weak acceleration, increased fuel consumption, or elevated exhaust emissions indicating injector clogging or poor atomization.